UIWebView-iPhone6-fix

There's a problem with iPhone 6+ landscape keyboard when editing text on UIWebView. After pressing BIU/copy/paste/cut app crashes.

Summary:

NSObject category to solve issue with landscape iPhone 6+ keyboard when editing UIWebView.

Code snippets:

• NSView (FirstResponder) category: http://stackoverflow.com/questions/1823317/get-the-current-first-responder-without-using-a-private-api
• UIWebView copy/paste/cut: http://stackoverflow.com/questions/16622032/uiwebview-execcommand-cut-copy-paste/16622300#16622300

stackoverflow answer:

• http://stackoverflow.com/a/35204573/3488699